This overview compares the Delock fan screws set M5 x 65 mm 20 pieces fan mounting screw set with similar alternatives from the same brand that differ in length and thread size: Delock Fan Screws Set M5 x 50 mm 20 pieces, Delock Fan Screws Set M5 x 20 mm 20 pieces, Delock M5 x 40 mm Fan Screws Set 20 Pieces 42549, DELOCK Fan Screw Set M5 x 30 mm 20 pieces, and Delock M3 x 30 mm Fan Screws Set, 20 pieces. All these products share the primary purpose of securely mounting computer cooling fans within PC chassis and cooling systems. The main practical differences lie in the screw length and thread standard, which directly determine compatibility with thick radiators, custom chassis layouts, or specific mounting hole dimensions.
⚙️ Below is a comparison of technical specifications, including thread diameter, screw length, set size, and the practical purpose of each hardware kit.
| Parameter | Delock fan screws set M5 x 65 mm 20 pieces | Delock Fan Screws Set M5 x 50 mm 20 pieces | Delock Fan Screws Set M5 x 20 mm 20 pieces | Delock M5 x 40 mm Fan Screws Set 20 Pieces 42549 | DELOCK Fan Screw Set M5 x 30 mm 20 pieces | Delock M3 x 30 mm Fan Screws Set, 20 pieces | Practical significance |
|---|
| Brand | DELOCK | DELOCK | DELOCK | DELOCK | DELOCK | DELOCK | All products are manufactured by the same brand, ensuring consistent baseline build quality. |
| Pieces per set | 20 pieces | 20 pieces | 20 pieces | 20 pieces | 20 pieces | 20 pieces | Each hardware kit contains an identical quantity of fasteners, sufficient for installing multiple fans. |
| Thread type and diameter | M5 | M5 | M5 | M5 | M5 | M3 | The M5 thread provides a wider fastening profile than M3, with the choice depending on fan or radiator mounting holes. |
| Screw length | 65 mm | 50 mm | 20 mm | 40 mm | 30 mm | 30 mm | Different lengths allow matching fasteners to standard chassis, thick liquid cooling radiators, or deep mounting channels. |
◎ The table below evaluates how well each fastener set suits specific usage scenarios and PC building configurations.
| Use case | Recommended product | Why |
|---|
| Mounting fans through massive radiators or deep mounting channels | Delock fan screws set M5 x 65 mm 20 pieces | The maximum length of 65 mm is ideally suited for custom thick configurations and liquid cooling radiator assemblies. |
| Installing fans onto medium-thickness radiators or specialized chassis | Delock Fan Screws Set M5 x 50 mm 20 pieces | The 50 mm length provides reliable pass-through mounting for thicker cooling assemblies. |
| Securing fans to thick radiators in custom loop builds | Delock M5 x 40 mm Fan Screws Set 20 Pieces 42549 | The 40 mm length is optimal for intermediate radiator and fan thickness combinations. |
| Standard fan installation into a PC chassis using M5 threads | DELOCK Fan Screw Set M5 x 30 mm 20 pieces | The 30 mm length is versatile for attaching fans directly to case panels using the M5 thread standard. |
| Standard fan mounting to regular case panels | Delock Fan Screws Set M5 x 20 mm 20 pieces | Short 20 mm screws work exceptionally well for basic fan fastening to thin case walls. |
| Building systems with narrow mounting holes and standard coolers | Delock M3 x 30 mm Fan Screws Set, 20 pieces | Using the thinner M3 thread at a 30 mm length is required for fans and cases that do not support the M5 standard. |
The Delock fan screws set M5 x 65 mm 20 pieces differs from alternatives by offering the longest screws available in this lineup, making it an essential solution for mounting fans through massive radiators and deep cooling system components. This set is best suited for hardware enthusiasts and advanced system builders who require extended M5 fasteners. A buyer should prefer this option over other models if standard shorter screws physically fail to reach mounting points due to radiator thickness or protective shrouds.